CVE-2026-21743

HighCVSS 7.2/10Last modified Jun 17, 2026

Description

A missing authorization vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.6, FortiAuthenticator 6.5 all versions, FortiAuthenticator 6.4 all versions, FortiAuthenticator 6.3 all versions may allow a read-only user to make modification to local users via a file upload to an unprotected endpoint.

Metrics

CVSS 3.1 7.2/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-862

Affected software

No affected versions have been published.

Timeline

Published
Feb 10, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2026-21743: High severity, CVSS 7.2 | Vulnix